package cn.myfirefly.core.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class SetContextPathFilter implements Filter {

	public void destroy() {
		
	}

	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
			FilterChain filterChain) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest)servletRequest;
		request.setAttribute("contextPath", request.getContextPath());
		filterChain.doFilter(servletRequest, servletResponse);
	}

	public void init(FilterConfig arg0) throws ServletException {
		
	}

}
